html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-size: 4vw;
    overflow-x: hidden;
}

.wrapper {
    width: 100%;
    height: 100%;
}

.wrapper header {
    display: flex;

    width: 100%;
    height: 15vw;
}

.wrapper header .left {
    width: 10%;
    height: 15vw;

    margin-top: 3.5vw;
    margin-left: 3vw;
}

.wrapper header .left img {
    width: 13vw;
    height: 13vw;

    border-radius: 50%;
}

/*  头部搜索框  */
.wrapper header .top_search {
    width: 50%;
    height: 11vw;

    border:0.5vw solid gray;
    border-radius: 10vw;

    margin-left: 7vw;
    margin-top: 5vw;

    display: flex;
    align-items: center;

    color: gray;
}

.wrapper header .top_search img {
    width: 5vw;
    height: 5vw;

    margin-right: 2vw;
    margin-left: 3.5vw;
}

/*  头部右侧  */
.wrapper header .right {
    width: 40%;
    height: 11vw;

    display: flex;
    justify-content: center;
    align-items: center;

    margin-left: 3vw;
}

.wrapper header .right .activity {
    width: 12vw;
    height: 12vw;
}

.wrapper header .right .activity img {
    width: 12vw;
    height: 12vw;

    margin-top: 5.5vw;
}

.wrapper header .right .game img {
    width: 12vw;
    height: 12vw;

    margin-top: 12vw;
}

.wrapper header .right .message img {
    width: 10vw;
    height: 10vw;

    margin-top: 12vw;
}

/* 分类列表部分 */
.wrapper .category_list {
    width: 100%;
    height: 10vw;

    display: flex;
    align-items: center;

    margin-top: 5vw;
    padding-left: 3vw;

    color: dimgrey;
    background-color: white;

    position: sticky;
    top: 0px;
    z-index: 99;
}

.wrapper .category_list .left {
    width: 90vw;
    height: 10vw;

    display: flex;
    align-items: center;
}

.wrapper .category_list .left .current {
    width: 25vw;
    height: 10vw;

    margin-top: 3vw;

    font-weight: bold;
    font-size: larger;
    color: hotpink;
}

.wrapper .category_list .left div {
    width: 25vw;
}

.wrapper .category_list .left .current .horizontal-line {
    width: 10vw;
    border-bottom: 1vw solid hotpink;
    margin-top: 1.2vw;
}

.wrapper .category_list .right {
    width: 10vw;

    margin-top: 1.2vw;
}

.wrapper .category_list .right svg {
    width: 7vw;
    height: 7vw;
}

/*  内容部分  */
.wrapper .content {
    width: 100%;
    padding-bottom: 16.5vw;

    background-color: #E0E0E0;
}

    /*  切换图片  */
.wrapper .content .switch_img {
    width: 98.4%;
    height: 64vw;

    position: relative;

    padding-top: 1.5vw;

    margin-left: 0.5vw;

    overflow: scroll;
}

.wrapper .content .switch_img img {
    width: 100%;
    height: 64vw;

    border-radius: 1.5vw;
}

.wrapper .content .switch_img ul {
    width: 500%;

    overflow: scroll;

    margin-left: -100%;
}

.wrapper .content .switch_img ul li {
    width: 19.85%;

    float: left;

    margin-left: 0.7vw;
}

.wrapper .content .switch_img ol {
    position: absolute;
    bottom: 1vw;
    right: 4vw;

    margin: 0;
}

.wrapper .content .switch_img ol li {
    width: 1.5vw;
    height: 1.5vw;

    background: rgba(255, 255, 255, 0.5);

    list-style: none;

    display: inline-block;

    border-radius: 50%;
}

.wrapper .content .switch_img ol li.current {
    background: rgba(255, 255, 255, 1.0);
}

    /*  视频封面、标题  */
.wrapper .content_list {
    width: 98.5%;

    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

/*  视频列表  */
.wrapper .content_list li {
    width: 48.9%;
    height: 55vw;

    display: flex;
    flex-direction: column;
    align-items: center;

    margin-left: 1vw;
    margin-top: 0.5vw;
}

.wrapper .content .content_list li .cover {
    width: 100%;
    height: 35vw;

    display: flex;

    position: relative;

    margin-top: 1vw;
}

.wrapper .content .content_list li .cover .background_img {
    position: absolute;
}

.wrapper .content .content_list li .cover .background_img img{
    width: 48.3vw;
    height: 35vw;

    display: block;

    border-radius: 1vw 1vw 0 0;
}

.wrapper .content .content_list li .cover .data {
    width: 100%;
    height: 2vw;

    display: flex;
    justify-content: space-around;
    align-items: center;

    position: absolute;
    left: 1vw;
    bottom: 2vw;
}

.wrapper .content .content_list li .cover .data svg {
    width: 3vw;
    height: 3.3vw;
}

.wrapper .content .content_list li .cover .data p {
    font-size: 2.5vw;

    margin-left: 1vw;
    color: white;
}

.wrapper .content .content_list li .cover .data .left {
    width: 30%;

    display: flex;
    align-items: center;
}

.wrapper .content .content_list li .cover .data .middle {
    width: 40%;

    display: flex;
    align-items: center;
}

.wrapper .content .content_list li .cover .data .right {
    width: 20%;
}

.wrapper .content .content_list li .introduction {
    width: 100%;
    height: 20vw;

    display: flex;
    flex-wrap: wrap;
    align-items: center;

    background-color: white;
    border-radius: 0 0 2vw 2vw;
}

.wrapper .content .content_list li .introduction .title {
    width: 100%;
    height: 13vw;
    background-color: white;
}

.wrapper .content .content_list li .introduction .title p {
    font-size: 3.2vw;

    margin-top: 3vw;
    margin-left: 2vw;
}

.wrapper .content .content_list li .introduction .creator {
    width: 100%;
    height: 7vw;

    display: flex;
    justify-content: space-between;
    align-items: center;

    background-color: white;
    border-radius: 0 0 1vw 1vw;
}

.wrapper .content .content_list li .introduction .creator .left {
    width: 55%;

    font-size: 2.5vw;
    color: #999999;

    display: flex;
    align-items: center;

    margin-left: 2vw;
}

.wrapper .content .content_list li .introduction .creator .left img {
    width: 4vw;
    height: 3vw;

    margin-top: 0.5vw;
    margin-right: 0.7vw;
}

.wrapper .content .content_list li .introduction .creator .left .concern {
    width: 50%;

    display: flex;
    align-items: center;
}

.wrapper .content .content_list li .introduction .creator .left .concern img {
    width: 3.3vw;
    height: 3.5vw;

    margin-bottom: 0.2vw;
}

.wrapper .content .content_list li .introduction .creator .left .concern p {
    color: #FF7F24;
}

.wrapper .content .content_list li .introduction .creator .right img {
    width: 4vw;
    height: 4vw;

    margin-top: 1vw;
    margin-right: 0.7vw;
}

/*  底部部分  */
.wrapper .footer {
    width: 100%;
    height: 16.5vw;

    display: flex;
    justify-content: space-around;
    align-items: center;

    position: fixed;
    left: 0;
    bottom: 0;

    background-color: white;
}

.wrapper .footer li {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    color: #999;
    user-select: none;
    cursor: pointer;
}

.wrapper .footer img {
    width: 8vw;
    height: 8vw;
}

.wrapper .footer p {
    font-size: 3vw;

    margin-top: 1.5vw;
}

.wrapper .footer .add {
    width: 12vw;
    height: 12vw;

    border-radius: 35%;

    background-color: hotpink;
}

.wrapper .footer .add p {
    font-size: 8vw;
    font-weight: bolder;
    color: white;

    margin-bottom: 3vw;
}